Answer :
Answer: Tu is for like friends or people around the same age and usted is for adults or superior people
Explanation:
To my aunt or my professor or teacher I would said usted... for my friends or siblings I would say tu
Answer:
i used to ask myself this question but TU is informal : it means that you talk to people u know with the word tu like mom friends and familia uted is formal u talk to buisness partners that way
Sentence: como esta usted: say to a person u just met
cual es tu numero de telefono: ee tu right there